Here is a summary of the information found in the search results:
- PRN Pure Results Nutrition DasGro Hair Growth Vitamins : * Positive: Hair growth * Negative: Not specified * Ingredients: Biotin & DHT Blocker
- Hair Volume™ Hair Health Biotin and Apple Extract Tablet Supplement : * Ingredients per tablet: Biotin, Pantothenic acid, Zinc, Copper, Apple extract, Millet extract, Horsetail extract, L-methionine, and other ingredients * Positive: Supports hair growth * Negative: Not specified
- Clinical efficacy of popular oral hair growth supplement ingredients : * Many oral supplements lack strong evidence supporting their use for hair growth * Some ingredients have not been tested in clinical trials or have only in vitro evidence for hair growth * Nutritional supplements are regulated by the FDA as foods instead of drugs, meaning they do not have to prove their efficacy and safety before becoming available to consumers
- Divi's Hair Vitamins Supplement : * Contains a blend of ingredients including Lustriva® and Divi's Roots-9 Complex to support hair from root to end * Ingredients include KSM-66® Ashwagandha Root Extract, Rhodiola Root Extract, L-theanine, and a complex of Arginine Silicate and Magnesium Biotinate * Positive: Supports healthy hair growth cycle, scalp health, and overall improved hair appearance * Negative: Not specified
- Nutrafol Women's Hair Growth Supplements : * Ingredients: SYNERGEN COMPLEX, including Hydrolyzed Marine Collagen Type 1&3, Sensoril® Ashwagandha Extract, Saw Palmetto Extract, and other ingredients * Positive: Clinically proven for visibly thicker and stronger hair * Negative: Not specified
In summary, the search results provide information about various hair supplements, their ingredients, and some positive effects such as supporting hair growth. However, the negative effects are not specified in the provided information. It's important to note that the efficacy of many oral hair supplements lacks strong evidence, and some ingredients have not been adequately tested in clinical trials.
